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प्रश्न
The potential difference between terminals of a cell in a closed electric circuit is ______.
विकल्प
Terminal voltage
Electro motive force
Voltage drop
None of these
उत्तर
The potential difference between terminals of a cell in a closed electric circuit is terminal voltage.
Explanation:
The potential difference between the terminals of a cell in a closed electric circuit is called the terminal voltage, and it is less than the EMF of the cell because of the voltage drop caused by the cell's internal resistance.
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संबंधित प्रश्न
Choose the correct relation for e.m.f. (ε) and terminal voltage V:
Find the value of current I drawn from the cell.
- Calculate the current I.
- Calculate the terminal voltage.
The diagram below shows a cardboard on which iron filings are kept. A wire bent in the form of a loop is seen passing through the cardboard. When current flows through it, the iron filings arrange themselves as shown below.
- State the polarities of the battery at A and B.
- State the effect on the magnetic field if an iron rod is held along the axis of the coil.
- State one way to:
- Change the polarity of the coil.
- Decrease the strength of the magnetic field around the coil.
Explain the meaning of the term terminal voltage of a cell.
